check on someone/thing or check up on someone/thing
释义
check on someone/thing or check up on someone/thingv.To try to find out the truth or rightness of; make sure of; examine; inspect; investigate. 查明;弄清楚;检查;察看;调查。◆ We checked on Dan's age by getting his birth record.我们找到丹的出生记录,查明了他的年龄。